Aleksandr
Udodov

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About me

Web3 / Python Backend Developer focused on practical MVPs, automation, Telegram bots, FastAPI backends, smart contract integrations, and blockchain data flows. I build systems that connect off-chain services with on-chain logic: Python backends, REST APIs, databases, Web3.py integrations, EVM smart contracts, dashboards, and automation scripts. My main project is GSun — a real Web3 energy proof system that connects physical solar generation data with blockchain proofs, ERC-1155 energy batches, and NFT-based proof certificates. Tech stack: Python, FastAPI, SQLite/PostgreSQL, Telegram Bot API, Web3.py, Solidity, Hardhat, EVM, Polygon/Sepolia, REST APIs, Raspberry Pi, Modbus/IoT telemetry. I can help with Web3 backend integrations, Telegram bots, smart contract interaction, API dashboards, blockchain proof explorers, automation scripts, and MVP development.

Work experience

GSun

June 2025 – Current time

Job title

Founder / Web3 Backend Developer

Work experience & achievements

Built a Web3 energy proof prototype that connects real solar generation data with blockchain-based verification. Responsibilities and achievements: - Designed Python/FastAPI backend for station data and proof explorer - Integrated off-chain telemetry with EVM smart contracts - Worked with Web3.py, Solidity, Hardhat, Polygon/Sepolia - Built oracle-style data flow from physical generation to on-chain proof - Implemented ERC-1155 energy batch logic and NFT proof certificate concept - Created APIs for station status, telemetry, transaction links, and proof history - Worked with Raspberry Pi, Modbus/IoT telemetry, and inverter data